Strout, Edith B; Lapidary Journal, Nov 1980, p1762;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 618304254667890 | |
| P1 | 58.00° | 618304254667890 | |
| P2 | 51.00° | 816324056648088 | |
| P3 | 47.00° | 816324056648088 | |
| P4 | 41.00° | 222264650707494 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 43.00° | 618304254667890 | |
| C2 | 36.00° | 816324056648088 | |
| C3 | 25.00° | 816324056648088 | |
| C4 | 15.00° | 222264650707494 |